source: http://www.securityfocus.com/bid/9070/info
Half-Life dedicated server has been reported prone to an information disclosure vulnerability. This issue may also be exploited to deny service to legitimate users of the Half-Life dedicated server.
The issue presents itself due to a flaw in download functionality that is provided by the Half-Life dedicated server. It has been reported that a malicious attacker may exploit this functionality to download any file from the root folder of the current running game type, or from the valve folder.
cmd dlfile server.cfg
cmd dlfile addons/amx/users.ini
cmd dlfile addons/amx/mysql.cfg
cmd dlfile maps/de_torn.bsp